This SS91B-M GSM intercom is a new entrance intercom which works on the same technology as mobile phones and it also has an additional access control feature.
When the visitors push the call button a call to be made from the SS91B-M GSM intercom to land-line or mobile phones of the User's choice. It enables to call three telephone numbers if the first is busy or not answered the call can be diverted to the second and the third.
Remotely Access Control:
Programming of the telephone numbers in and whenever the SS91B-M GSM intercom receives a call will recognize an authorized telephone number calling it and will then reject the call without answering (so there will be no charge) and open the gate / door.
Vandal resistant design
Rings up to 3 numbers in sequence when first is busy or not answered will divert a call to a second number and so on
Dial preset number for door open without the key and no extra cost ( Max 100 numbers)
To hold or relase relay by SMS or call
Works with mobile phones and land lines
Unlimited range wire free GSM intercom using GSM module.
Answer the visitor’s call no matter where you are.
Available with Listener Monitoring function to listen to the surrounding of this device.
Relay outputs to control most door locks and gate automation systems.
Suitable for both flush / surface mounted installation.